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Anatomy and Physiology > Introduction to the Chemisty of Life > Flashcards

Introduction to the Chemisty of Life Flashcards

1
Q

PH is a measure of

A

Hydrogen Ions

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2
Q

PH between 0 and 7 is

A

Acid

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3
Q

PH between 7 and 14 is

A

Alkaline

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4
Q

Neutral Ph is

A

7

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5
Q

Shifts away from physiological ph are prevented by

A

Buffers

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6
Q

One important buffer that prevents ph from falling too low is

A

Biocarbonate ion

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7
Q

When the ph of body fluid rises above 7.45 the condition of

A

Alkalosis exists

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8
Q

The following defines the atomic weight of an atom

A

The total number of protons and neutrons

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9
Q

A charged atom is known as

A

an Ion

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10
Q

What is the difference between a molecule and a compound?

A

Atoms in a molecule may be identical but a compound has more than one type of atom

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11
Q

Atom particles are not equally massive

A

Protons and neutrons have one mass unit each and electrons is negligible

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12
Q

Single sugar unit

A

Monosaccharide

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13
Q

Biological catalyst

A

Enzyme

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14
Q

Contains an amino group and a variable side chain

A

Amino acid

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15
Q

Molecules made of thousands of sugar units

A

Polysaccharide

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16
Q

A building block of DNA

A

Nucleotide

17
Q

A dissacharide

A

Fructose

18
Q

A monosaccharide

A

Glucose

19
Q

A Polysaccharide

A

Starch

20
Q

The simplest amino acid

A

Glycine

21
Q

The energy currency of the body

A

Adenosine Triphosphate (ATP)

22
Q

Fat

A

Triglyceride

23
Q

Constiuent of cell membrane

A

Cholesterol

24
Q

A solution that is in osmotic equilibrium with body fluid is said to be

A

Isotonic

25
Q

A concentrated solution is

A

Hypertonic

26
Q

A less concentrated solution is

A

Hypotonic

27
Q

The total body water in an average adult is

A

60%

28
Q

A negatively charged subatomic particle that moves around the nucleus

A

is electron

Anatomy and Physiology (8 decks)

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